NHTSA Recall 08V177000: Air (parking brake)
MACK TRUCKS, INC reported this safety recall to NHTSA on , covering an estimated 66 vehicles. It affects 2009 Mack Gu.
| NHTSA campaign | 08V177000 |
|---|---|
| Manufacturer campaign | SC0339 |
| Component | PARKING BRAKE › CONVENTIONAL › AIR |
| Report received | April 17, 2008 |
| Owner notification | May 9, 2008 |
| Initiated by | Manufacturer |
Defect
Mack is recalling 66 my 2009 gu trucks equipped with bendix mv-3 dash control valves. The molded valve body has an incorrect core pin in the injection mold causing the valve body to be oversized in the double check valve area. This condition can allow the rubber double check valve to become lodged in the body opening under certain circumstances.
Safety risk
If the double check valve becomes lodged, in the event of a primary reservoir failure, air pressure can leak past the lodged double check valve thereby depleting the secondary reservoir, causing reduced ability for modulating the service emergency brakes increasing the risk of a crash.
Remedy
Dealers will inspect the mv-3 dash valve for the production date code. Valves in the affected production lots will be replaced free of charge. The recall began on may 9, 2008. Owners may contact mack trucks at 1-800-528-6586.
Notes
Mack trucks recall no. Sc0339.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov.
Vehicles covered by recall 08V177000
| Make and model | Model years |
|---|---|
| Mack Gu | 2009 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.